Subversion Repositories bluespec_md6

/* File:    md6_nist.c

** Author:  Ronald L. Rivest

** Address: Room 32G-692 Stata Center

**          32 Vassar Street

**          Cambridge, MA 02139

** Email:   rivest@mit.edu

** Date:    9/25/2008

**

** (The following license is known as "The MIT License")

**

** Copyright (c) 2008 Ronald L. Rivest

**

** Permission is hereby granted, free of charge, to any person obtaining a copy

** of this software and associated documentation files (the "Software"), to deal

** in the Software without restriction, including without limitation the rights

** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

** copies of the Software, and to permit persons to whom the Software is

** furnished to do so, subject to the following conditions:

**

** The above copyright notice and this permission notice shall be included in

** all copies or substantial portions of the Software.

**

** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

** THE SOFTWARE.

**

** (end of license)

**

** This is part of the definition of the MD6 hash function.

** The files defining the MD6 hash function are:

**    md6.h

**    md6_compress.c

**    md6_mode.c

**

** The files defining the interface between MD6 and the NIST SHA-3

** API are:

**    md6_nist.h

**    md6_nist.c

** The NIST SHA-3 API is defined in:

**    http://www.csrc.nist.gov/groups/ST/hash/documents/SHA3-C-API.pdf

**

** See  http://groups.csail.mit.edu/cis/md6  for more information.

*/

#include <stdio.h>

#include "md6.h"

#include "md6_nist.h"

HashReturn Init( hashState *state,

                 int hashbitlen

                 )

{ int err;

  if ((err = md6_init( (md6_state *) state,

                       hashbitlen

                       )))

    return err;

  state->hashbitlen = hashbitlen;

  return SUCCESS;

}

HashReturn Update( hashState *state,

                   const BitSequence *data,

                   DataLength databitlen

                   )

{ return md6_update( (md6_state *) state,

                     (unsigned char *)data,

                     (uint64_t) databitlen );

}

HashReturn Final( hashState *state,

                  BitSequence *hashval

                  )

{ return md6_final( (md6_state *) state,

                    (unsigned char *) hashval

                    );

}

HashReturn Hash( int hashbitlen,

                 const BitSequence *data,

                 DataLength databitlen,

                 BitSequence *hashval

                 )

{ int err;

  md6_state state;

  if ((err = Init( &state, hashbitlen )))

    return err;

  if ((err = Update( &state, data, databitlen )))

    return err;

  return Final( &state, hashval );

}